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added /dev/urandom

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This commit is contained in:
georgemoralis 2024-07-26 08:50:39 +03:00
parent a4912b8245
commit 2841eba538
1 changed files with 14 additions and 0 deletions
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14
src/core/libraries/kernel/file_system.cpp
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@ -53,6 +53,9 @@ int PS4_SYSV_ABI sceKernelOpen(const char* path, int flags, u16 mode) {
if (std::string_view{path} == "/dev/stdout") {
return 2002;
}
if (std::string_view{path} == "/dev/urandom") {
return 2003;
}
u32 handle = h->CreateHandle();
auto* file = h->GetFile(handle);
if (directory) {
@ -113,6 +116,9 @@ int PS4_SYSV_ABI sceKernelClose(int d) {
if (d < 3) { // d probably hold an error code
return ORBIS_KERNEL_ERROR_EPERM;
}
if (d == 2003) { // dev/urandom case
return SCE_OK;
}
auto* h = Common::Singleton<Core::FileSys::HandleTable>::Instance();
auto* file = h->GetFile(d);
if (file == nullptr) {
@ -223,6 +229,13 @@ s64 PS4_SYSV_ABI posix_lseek(int d, s64 offset, int whence) {
}
s64 PS4_SYSV_ABI sceKernelRead(int d, void* buf, size_t nbytes) {
if (d == 2003) // dev urandom case
{
auto rbuf = static_cast<char*>(buf);
for (size_t i = 0; i < nbytes; i++)
rbuf[i] = std::rand() & 0xFF;
return nbytes;
}
auto* h = Common::Singleton<Core::FileSys::HandleTable>::Instance();
auto* file = h->GetFile(d);
if (file == nullptr) {
@ -460,6 +473,7 @@ s64 PS4_SYSV_ABI sceKernelPwrite(int d, void* buf, size_t nbytes, s64 offset) {
}
void fileSystemSymbolsRegister(Core::Loader::SymbolsResolver* sym) {
std::srand(std::time(nullptr));
LIB_FUNCTION("1G3lF1Gg1k8", "libkernel", 1, "libkernel", 1, 1, sceKernelOpen);
LIB_FUNCTION("wuCroIGjt2g", "libScePosix", 1, "libkernel", 1, 1, posix_open);
LIB_FUNCTION("UK2Tl2DWUns", "libkernel", 1, "libkernel", 1, 1, sceKernelClose);